Slipper



FIG. 1 is a right side elevational view of a slipper showing my new design;

FIG. 2 is a top plan view thereof;

FIG. 3 is a rear elevational view thereof;

FIG. 4 is a front elevational view thereof;

FIG. 5 is a bottom plan view thereof; and,

FIG. 6 is a left side elevational view thereof.

The broken line showing of a numeral 24 on the sides of claimed design is for illustrative purposes only and forms no part of the claimed design. All other broken lines indicate stitching. 

The ornamental design for a slipper, as shown and described. 